# CBSE Class 7 Mathematics Algebraic Expression MCQs

## MCQ for Class 7 Mathematics Chapter 12 Algebraic Expressions

Class 7 Mathematics students should refer to the following multiple-choice questions with answers for Algebraic Expression in standard 7. These MCQ questions with answers for Grade 7 Mathematics will come in exams and help you to score good marks

### Chapter 12 Algebraic Expressions MCQ Questions Class 7 Mathematics with Answers

X - ALGEBRAIC EXPRESSION

Question. How many terms are there in the expression 1.2ab – 2.4b + 3.6a?
(a) 1
(b) 2
(c) 3
(d) 4.

Question. What is the coefficient of x in the expression y2x + y?
(a) y2
(b) y
(c) 1
(d) 0.

Question. Which of the following pairs of terms is a pair of unlike terms?
(a) 3x,2xy
(b) -xy2,-2xy2
(c) -6x2,20x2y
(d) 8x2,7y.

Question. Which of the following pairs of terms is a pair of unlike terms?
(a) -p2q2,12q2p2
(b) 41,100
(c) qp2,13p2q
(d) -4yx2,-4xy2.

Question. What is the sum of a + b – 1 ,b – a + 1 and 1 – 2b?
(a) 1
(b) -1
(c) 2
(d) -2.

Question. Simplify: p + (p – q) + q + (q – p) .
(a) p
(b) q
(c) p + q
(d) p – q.

Question. What should be added to x2 + 3xy + y2 to get x2 + y2?
(a) 2xy
(b) -2xy
(c) 3xy
(d) -3xy.

Question. What should be subtracted from1 to get 1 – x + 2x2?
(a) 2x2 – 1
(b) x – 2x2
(c) 1 – x
(d) 1 + x.

Question. A term of an expression having no literal factor is called a ______ .
(a) monomial
(b) constant
(c) trinomial
(d) variable.

Question. What is the degree of the polynomial 9xy – 12x2y + 5 – 2x2y3?
(a) 1
(b) 2
(c) 5
(d) 3.

Question. What should be added to x – y to get 2x?
(a) y
(b) x
(c) x + y
(d) x – y.

Question. Find the value of the expression 5n – 3 for n = -1.
(a) 5
(b) -3
(c) 8
(d) – 8.

Question. What is the value of the expression a2 + ab + 1 for a=0, b=1.
(a) 0
(b) 1
(c) -1
(d) 2.

Question. What should be taken away from 3xy – 2x2 – 2y2 to obtain 5x2 – 7xy + 5y2?
(a) 10xy – 7x2 – 7y2
(b) -4xy – 7x2 – 7y2
(c) 7x2 – 10xy + 7y2
(d) 10xy + 7x2 + 7y2 .

Question. Subtract -6x2 from x2.
(a) -7x2
(b) 7x2
(c) 6x2
(d) 5x2 .

Question. The sum of t – 5tz ,2tz – z and z – t is _________ .
(a) 2t – 3tz
(b) 2z – 3tz
(c) 3tz
(d) – 3tz.

Question. If A = 2x – y + 3xy, B = x + 2xy and C = 3y + xy, find the value of A+B+C.
(a) – 3xy +2y +6xy
(b) 3x + 2y + 6xy
(c) 3xy – 2y – 6xy
(d) 5xy – 2y.

Question. Find the value of the expression a3 + b3 +c3 – 3abc for a = 2, b = 3, c = 4.
(a) 3
(b) 6
(c) 9
(d) 27.

Question. If the value of the expression x2 – 5x + k for x = 0 is 5, then the value of k is _______ .
(a) 2
(b) 3
(c) 4
(d) 5.

Question. In (– x) the coefficient of x is ______ .
(a) 1
(b) – 1
(c) x
(d) – x.

Question. Which of the following is the coefficient of ‘x’ in 3x3—4x2 + 7x –8 ?
(a) 3
(b) --4
(c) 7
(d) –8

Question. What is the sum of (3x—7y +5z) & (--2x + 3y) ?
(a) 5x—4y
(b) x—4y+5z
(c) 5x—4y +5z
(d) x—10y + 5z

Question. What is the value of ( 24ab—10b—18a) – (30ab +12b +14a) ?
(a) –(6ab+22b+32a)
(b) --54ab—12b
(c) 6ab+22b+32a
(d) 6ab—22b

Question. What should be added to –5x + 3y to get 3x – 2y ?
(a) 5x—4y
(b) 8 x—5y
(c) --8x—4y
(d) 2x—10y

Question. What is the value of ( 3x2—5x + 6) at x=1 ?
(a) 3
(b) 4
(c) --8
(d) 14

Question. Which of the following is the exponential form of ‘243’
(a) 32
(b) 23
(c) 35
(d) 53

Question. Which of the following is the simplest form of (--3)2 x( --4)3
(a) 576
(b) --576
(c) --64
(d) –36

Question. Which of the following is the simplest form of [(2)20 ÷ ( 2)18]x23
(a) 8
(b) --8
(c) --32
(d) 32

Question. Which of the following is the standard form of 12700 ?
(a) 1.27x104
(b) 12.7x104
(c) 127x102
(d) 1270x10

Question. Which of the following is the simplest form of 9x103 + 2x102?
(a) 9000
(b) 9002
(c) 9200
(d) 209

Question. Which of the following is the value of (–1)100 x (--1)200 ?
(a) 20000
(b) --1
(c) 1
(d) 2

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### CBSE Class 7 Mathematics Chapter 12 Algebraic Expressions MCQs

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